* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #fafbfc;
    color: #2d3748;
    line-height: 1.6;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    position: relative;
    padding: 80px 20px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 107, 204, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 119, 198, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    z-index: 2;
    position: relative;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1a202c;
}

.hero .highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Animated Title Styles */
.animated-title {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    transition: all 0.5s ease-in-out;
}

/* Animation keyframes for cycling */
@keyframes textCycle {
    0% {
        opacity: 0;
        transform: translateY(100%);
    }
    20% {
        opacity: 1;
        transform: translateY(0);
    }
    80% {
        opacity: 1;
        transform: translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateY(-100%);
    }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #4a5568;
    margin-bottom: 2rem;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.btn {
    padding: 14px 28px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: white;
    color: #4a5568;
    border: 2px solid #e2e8f0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    border-color: #cbd5e0;
}

.hero-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 45px;
    height: 45px;
    background: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #4a5568;
    text-decoration: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.social-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    color: #667eea;
}

.hero-chatbot {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
    position: relative;
}

.chatbot-widget {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    max-width: 650px;
    width: 100%;
    overflow: hidden;
    border: 1px solid #f0f0f0;
}

.chatbot-header-widget {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
    color: white;
}

.chatbot-profile-widget {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chatbot-avatar-widget {
    position: relative;
}

.avatar-img-widget {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.3);
}

.online-indicator-widget {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 14px;
    height: 14px;
    background: #28ca42;
    border: 3px solid white;
    border-radius: 50%;
}

.chatbot-info-widget h3 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
}

.chatbot-info-widget p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.9;
}

.chatbot-messages-widget {
    padding: 25px;
    height: 450px;
    overflow-y: auto;
    background: #fafbfc;
}

.message-widget {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.bot-message-widget {
    align-items: flex-start;
}

.user-message-widget {
    align-items: flex-end;
    flex-direction: row-reverse;
}

.message-avatar-widget img {
    width: 30px;
    height: 30px;
    border-radius: 50%;
}

.user-message-widget .message-avatar-widget img {
    background: #4a5568;
}

.message-content-widget {
    background: white;
    padding: 12px 16px;
    border-radius: 18px;
    max-width: 80%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border: 1px solid #f0f0f0;
}

.user-message-widget .message-content-widget {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.message-content-widget p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.6;
    white-space: pre-line;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.chatbot-input-widget {
    display: flex;
    padding: 20px;
    background: white;
    border-top: 1px solid #e2e8f0;
    gap: 10px;
}

.chatbot-input-widget input {
    flex: 1;
    border: 2px solid #e2e8f0;
    border-radius: 25px;
    padding: 12px 16px;
    font-size: 0.9rem;
    outline: none;
    transition: all 0.3s ease;
}

.chatbot-input-widget input:focus {
    border-color: #667eea;
}

.chatbot-input-widget button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.chatbot-input-widget button:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.suggested-questions-widget {
    padding: 0 20px 20px;
    background: white;
}

.suggestion-chips-widget {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.chip-widget {
    background: #f7fafc;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 8px 12px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #4a5568;
}

.chip-widget:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
    transform: translateY(-1px);
}

/* Skills Section */
.skills {
    padding: 100px 0;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #1a202c;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

.skills-content {
    max-width: 1000px;
    margin: 0 auto;
}

.skill-category {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 12px;
    border-left: 4px solid #667eea;
    transition: all 0.3s ease;
}

.skill-category:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.1);
}

.skill-category h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1a202c;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-category h3::before {
    content: '•';
    color: #667eea;
    font-size: 1.5rem;
    font-weight: bold;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tag {
    background: white;
    color: #4a5568;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.tag:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    border-color: transparent;
}

/* Projects Section */
.projects {
    padding: 100px 0;
    background: #f7fafc;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.project-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #f7fafc;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
    cursor: pointer;
}

.project-card {
    cursor: pointer;
    transition: all 0.3s ease;
}

.project-card:active {
    transform: translateY(-2px) scale(0.98);
}

.project-image {
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* Dashboard Mockup */
.dashboard-mockup {
    background: white;
    border-radius: 8px;
    padding: 10px;
    width: 90%;
    height: 80%;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.dashboard-header {
    height: 20px;
    background: #e2e8f0;
    border-radius: 4px;
    margin-bottom: 10px;
}

.dashboard-content {
    display: flex;
    gap: 10px;
    height: calc(100% - 30px);
}

.chart-area {
    flex: 2;
    background: linear-gradient(135deg, #667eea20, #764ba220);
    border-radius: 4px;
}

.stats-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.stat-box {
    background: #f7fafc;
    border-radius: 4px;
    flex: 1;
}

/* Mobile Mockup */
.mobile-mockup {
    background: white;
    border-radius: 15px;
    padding: 8px;
    width: 120px;
    height: 80%;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.mobile-screen {
    background: #f7fafc;
    border-radius: 8px;
    padding: 8px;
    height: 100%;
}

.mobile-header {
    height: 15px;
    background: #e2e8f0;
    border-radius: 3px;
    margin-bottom: 8px;
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5px;
}

.product-item {
    background: white;
    border-radius: 4px;
    height: 30px;
}

/* EVA Finance Mockup */
.eva-mockup {
    background: #1a1a1a;
    border-radius: 8px;
    padding: 12px;
    width: 90%;
    height: 80%;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    color: white;
}

.eva-header {
    margin-bottom: 12px;
}

.eva-title {
    font-size: 0.7rem;
    font-weight: bold;
    margin-bottom: 8px;
    color: white;
}

.eva-comparison {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.speed-box {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.6rem;
    font-weight: bold;
    text-align: center;
    flex: 1;
}

.speed-box.same-day {
    background: #22c55e;
    color: white;
}

.speed-box.industry {
    background: #ef4444;
    color: white;
}

.vs {
    font-size: 0.5rem;
    font-weight: bold;
    color: #fbbf24;
    background: #fbbf24;
    color: #1a1a1a;
    padding: 2px 6px;
    border-radius: 3px;
}

.eva-content {
    height: calc(100% - 60px);
}

.problem-cards {
    display: flex;
    gap: 6px;
    height: 100%;
}

.problem-card {
    flex: 1;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 0.5rem;
    font-weight: bold;
    text-align: center;
    padding: 4px;
}

.problem-card.orange {
    background: linear-gradient(135deg, #f97316, #ea580c);
}

.problem-card.yellow {
    background: linear-gradient(135deg, #eab308, #ca8a04);
}

.problem-card.green {
    background: linear-gradient(135deg, #22c55e, #16a34a);
}

/* Campaigns Project Mockup */
.campaigns-mockup {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    border-radius: 8px;
    padding: 12px;
    width: 90%;
    height: 80%;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    color: white;
}

.campaigns-header {
    margin-bottom: 12px;
}

.campaigns-title {
    font-size: 0.7rem;
    font-weight: bold;
    margin-bottom: 8px;
    color: white;
    text-align: center;
}

.campaigns-stats {
    display: flex;
    gap: 8px;
    justify-content: space-between;
}

.stat-item {
    flex: 1;
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    padding: 4px;
}

.stat-number {
    font-size: 0.6rem;
    font-weight: bold;
    color: white;
}

.stat-label {
    font-size: 0.4rem;
    color: rgba(255, 255, 255, 0.8);
}

.campaigns-content {
    height: calc(100% - 60px);
}

.data-visualization {
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.chart-area {
    flex: 2;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    position: relative;
}

.chart-area::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 60%;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.1));
    border-radius: 2px;
}

.network-nodes {
    flex: 1;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.node {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    position: relative;
}

.node::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
}

/* Citi Bike Project Mockup */
.citi-bike-mockup {
    background: linear-gradient(135deg, #059669 0%, #10b981 100%);
    border-radius: 8px;
    padding: 12px;
    width: 90%;
    height: 80%;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    color: white;
}

.citi-bike-header {
    margin-bottom: 12px;
    text-align: center;
}

.citi-bike-title {
    font-size: 0.7rem;
    font-weight: bold;
    margin-bottom: 4px;
    color: white;
}

.citi-bike-subtitle {
    font-size: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
}

.citi-bike-content {
    height: calc(100% - 50px);
}

.forecast-display {
    height: 70%;
    margin-bottom: 8px;
}

.station-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    padding: 6px;
    margin-bottom: 8px;
}

.station-name {
    font-size: 0.5rem;
    font-weight: bold;
}

.bike-count, .dock-count {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.bikes-available, .docks-available {
    font-size: 0.6rem;
    font-weight: bold;
    color: #fbbf24;
}

.label {
    font-size: 0.4rem;
    color: rgba(255, 255, 255, 0.8);
}

.forecast-chart {
    height: 60%;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    padding: 4px;
    display: flex;
    align-items: end;
    justify-content: space-around;
}

.chart-bars {
    display: flex;
    align-items: end;
    gap: 4px;
    height: 100%;
    width: 100%;
}

.bar {
    flex: 1;
    background: linear-gradient(to top, #fbbf24, #f59e0b);
    border-radius: 2px 2px 0 0;
    min-height: 20%;
}

.ml-pipeline {
    display: flex;
    justify-content: space-between;
    gap: 4px;
}

.pipeline-step {
    flex: 1;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
    padding: 3px;
    text-align: center;
    font-size: 0.4rem;
    font-weight: bold;
    color: white;
}

/* Data Viz Mockup */
.data-viz-mockup {
    background: white;
    border-radius: 8px;
    padding: 10px;
    width: 90%;
    height: 80%;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.viz-header {
    height: 20px;
    background: #e2e8f0;
    border-radius: 4px;
    margin-bottom: 10px;
}

.viz-content {
    display: flex;
    gap: 10px;
    height: calc(100% - 30px);
}

.chart-section {
    flex: 2;
    background: linear-gradient(45deg, #667eea20, #764ba220);
    border-radius: 4px;
}

.metrics-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.metric {
    background: #f7fafc;
    border-radius: 4px;
    flex: 1;
}

.project-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 1.5rem 1.5rem 1rem;
    color: #1a202c;
}

.project-card p {
    color: #4a5568;
    margin: 0 1.5rem 1rem;
    line-height: 1.6;
}

.project-tech {
    padding: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    background: #f7fafc;
    color: #4a5568;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid #e2e8f0;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: white;
    text-align: center;
}

.contact-subtitle {
    font-size: 1.125rem;
    color: #4a5568;
    margin: 1rem auto 2rem;
    max-width: 600px;
    line-height: 1.6;
}

.contact-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}


/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 60px 20px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .chatbot-widget {
        max-width: 350px;
        margin-top: 2rem;
    }
    
    .skills-content {
        padding: 0 1rem;
    }
    
    .skill-category {
        margin-bottom: 1.5rem;
        padding: 1rem;
    }
    
    .skill-category h3 {
        font-size: 1.1rem;
    }
    
    .tag {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .contact-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .fab {
        bottom: 1rem;
        right: 1rem;
        width: 50px;
        height: 50px;
        font-size: 1rem;
    }
    
    /* Chatbot responsive styles */
    .chatbot-container {
        width: 98%;
        max-height: 95vh;
        max-width: 500px;
    }
    
    .chatbot-trigger {
        bottom: 80px;
        right: 1rem;
        padding: 10px 12px;
    }
    
    .trigger-avatar img {
        width: 30px;
        height: 30px;
    }
    
    .trigger-message p {
        font-size: 0.8rem;
    }
    
    .chatbot-header {
        padding: 15px;
    }
    
    .avatar-img {
        width: 40px;
        height: 40px;
    }
    
    .chatbot-messages {
        height: 350px;
        padding: 20px;
    }
    
    .message-content {
        max-width: 85%;
        padding: 10px 14px;
    }
    
    .chatbot-input {
        padding: 15px;
    }
    
    .suggestion-chips {
        justify-content: center;
    }
    
    .chip {
        font-size: 0.75rem;
        padding: 6px 10px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .project-card {
        margin: 0 10px;
    }
}

/* Chatbot Styles */
.chatbot-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.chatbot-overlay.active {
    opacity: 1;
    visibility: visible;
}

.chatbot-container {
    background: white;
    border-radius: 20px;
    width: 98%;
    max-width: 650px;
    max-height: 800px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: all 0.3s ease;
}

.chatbot-overlay.active .chatbot-container {
    transform: scale(1) translateY(0);
}

.chatbot-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: white;
}

.chatbot-profile {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chatbot-avatar {
    position: relative;
}

.avatar-img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.3);
}

.online-indicator {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 14px;
    height: 14px;
    background: #28ca42;
    border: 3px solid white;
    border-radius: 50%;
}

.chatbot-info h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.chatbot-info p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.9;
}

.chatbot-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.chatbot-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.chatbot-messages {
    padding: 25px;
    height: 500px;
    overflow-y: auto;
    background: #fafbfc;
}

.message {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.bot-message {
    align-items: flex-start;
}

.user-message {
    align-items: flex-end;
    flex-direction: row-reverse;
}

.message-avatar img {
    width: 30px;
    height: 30px;
    border-radius: 50%;
}

.user-message .message-avatar img {
    background: #4a5568;
}

.message-content {
    background: white;
    padding: 12px 16px;
    border-radius: 18px;
    max-width: 70%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    border: 1px solid #f0f0f0;
}

.user-message .message-content {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.message-content p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.6;
    white-space: pre-line;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.message-time {
    font-size: 0.75rem;
    color: #8e8e93;
    display: block;
    margin-top: 4px;
}

.user-message .message-time {
    color: rgba(255, 255, 255, 0.8);
}

.chatbot-input {
    display: flex;
    padding: 20px;
    background: white;
    border-top: 1px solid #e2e8f0;
    gap: 10px;
}

.chatbot-input input {
    flex: 1;
    border: 2px solid #e2e8f0;
    border-radius: 25px;
    padding: 12px 16px;
    font-size: 0.9rem;
    outline: none;
    transition: all 0.3s ease;
}

.chatbot-input input:focus {
    border-color: #667eea;
}

.chatbot-input button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.chatbot-input button:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.suggested-questions {
    padding: 0 20px 20px;
    background: white;
}

.suggestion-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.chip {
    background: #f7fafc;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 8px 12px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #4a5568;
}

.chip:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
    transform: translateY(-1px);
}

/* Chatbot Trigger */
.chatbot-trigger {
    position: fixed;
    bottom: 120px;
    right: 2rem;
    background: white;
    border-radius: 25px;
    padding: 12px 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 1000;
    border: 2px solid #e2e8f0;
    animation: slideInRight 0.6s ease-out, bounceAttention 2s infinite 3s;
}

.chatbot-trigger:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.trigger-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.trigger-avatar {
    position: relative;
}

.trigger-avatar img {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    border: 2px solid #667eea;
}

.pulse-ring {
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border: 2px solid #667eea;
    border-radius: 50%;
    animation: pulse 2s infinite;
    opacity: 0.6;
}

.trigger-message p {
    margin: 0;
    font-size: 0.9rem;
    font-weight: 500;
    color: #4a5568;
    white-space: nowrap;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounceAttention {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-5px);
    }
    60% {
        transform: translateY(-3px);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.3;
    }
    100% {
        transform: scale(1.2);
        opacity: 0;
    }
}

.hero-content,
.hero-image,
.skill-category,
.project-card {
    animation: fadeInUp 0.6s ease-out;
}

.skill-category:nth-child(1) { animation-delay: 0.1s; }
.skill-category:nth-child(2) { animation-delay: 0.2s; }
.skill-category:nth-child(3) { animation-delay: 0.3s; }

.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.3s; }